Stove.



Wl F. PINKBRTON.

STOVE. APPLIUATVION FILED 1311.27, 1911.

Patented Nov. 12, 1912.

3 SHEETS-"SHEET 1.

COLUMBIA PLANOGR W. F. PINKERTON.

s TovB. APPLICATION FIL'ED FEB. 27, 191 1 Patented Nv. 12,1912.

3 SHEETS-SHEET 2.

[NVENTO WTNESSES' M/L Wamw/v COLUMBIA PLANOGRAPH Co.. wAsHlNuroN. n. c.

W. F. PINKERTON. STOVB.

APPLICATION PILED 11213.27, 1911.

1 ,044,239.. i Patentd Nov. 12,1912.

3 SHEETS-SHEET 3. /5 I /5 IVITNESSES:

.INI/ENTOR.

coLuMmA PLANouRA WILLIAM FRANK PrNKnrvrorny or DNVER, COLORADO.

srovn;

Specification of Letters `Patent. l

Patented N0v.12, 1912'.

Application filed February 27, 191'1. VSerial No. 611,072.

To all whom it may concer/n: .e

Be it known that I, WILLIAM FRANKP1-N-l to wit, the bottom grate, inner arches, the

outer arch, and the upper inverted arch, but

have dispensed with certain other parts as will hereinafter appear, the object being to provide a stove better adapted for burning fuels in a reen or wet condition and also for burning t e particular kinds of fuel before specified.l

My invention comprises an exterior part or casing and an interior part which, in view of its openwork construction and its function, I have denominated a firecage.

In the accompanying drawings, Figure l is a perspective view of the several parts of the fire-cage disassociated. Fig. 2 is a perspective view of the tire-cage with its parts assembled and properly litted together. Fig. 8 is a vertical section sho-wing fire-cages arranged in a casing or stove body, two cages being shown placed one above the other and zigzagged or inclined in opposite directions, with a chute intervening them. Fig. et is a vertical section of a stove casing of larger size in which four fire-cages and three ash chutes are arranged in the required manner.

Fig. 5 is a perspective viewa portion being y The bottom grate is shown -cated by the numeral `2, the same beingcast yintegralk with the remaining portion of thel f gratefandiadapted to fit into recesses t in the base'of theeage 3, wherebyfthe latter is vheld in d ue position on the'grate but may be readily're'moved for cleaning.

Thenuineral` 5 uindicates the inverted arch or cradle which forms the upper'portion ofthe fire-cage, it being attached to the body or middleportion of thel cage 3 by means of bolts passing through holes 6 in the flattened to-p thereof. Thisupper portion or cradle is designed chiefly tok serve as a receptacle for wet or green fuel while in -thel process of drying preparatory to burning.'

Fig.` 3 ,illustrates a stove casing of small or medium size of the upright pattern which is particularly adapted for -1ny improfred fire-cage. The width of the casingfor ystove body is aboutgone-quarter ofthe lengtlrwhieh is a preferable proportion.` The height of its bodyshould be greater thanV its length in small stoves, and in large heaters, it vmay be severalv times greater. This figure is intended to illustrate the manner of using the irecages in a heater requiring two Cages, the latter being placed one above the other, with an 'ash chute between them. The lirecages are shown arranged at an angle but inclined in opposite directions or zigzag Vin regard to each other. The ash chute 7 is also inclined but parallel to the other upper tire-cage. The tire-cages are supported upon transverse rods 8 and the chute upon transverse rods 9. The numeral. l() indicates the ash pit and 1l an opening of the same which is Vordinarily closed by a door l2 through which fuel is introduced.

Fig. et shows a heater of larger size, the several parts already described in other `tiguresbeing indicated by the same numerals as before.

The numeral 18 in Figs. 3 and i indicates a smoke-pipe or flue.

It will be observed in both Figs. 8 and 4t that the ash chutes project at oneend beyond the adjacent ends of the fire-cages, so that in practice the ashes falling from the uppermost cage drop upon the uppermost ash chute by which they are carried over or beyond the end of the fire-cage below and thus (in Fig. 4) they drop upon the next lower chute, bein finally delivered into the ash pit 10. The o ject of thus arranging the irecages one above the other is that the flames rising from the lower cage may act upon the fuel in the cage above it and thus assist in the drying or combustionl of the same, and the heat and flame from the lower cages will thus act together upon the con-y tents of the third cage and so on.

In F ig. 4 the two lower cages, which are tilted or inclined, are supposed to be charged with f uel which is comparatively dry or lit for burning, while the two upper cages,

which are arranged horizontally, are sup-A a transverse rods 8 and 9 which sup-port the fire-cage and chute pass through the casing vor body of the stove and through reinforc ing strips l5 applied to the outer sides of the same. Y The top of the stove is shown rckmoved in Fig. 4. Holes 13 are provided for the reception of the rods, so that the tirecage or chute may be adjusted and sup portedat different angles, and such holes as are not closed by the rods are elo-sed by means of suitable removable plugs. The

fire-cages and ash chutes in the several forms 4 of invention should fit closely to the sides of the heater body or casing and the ash chutes should fit closely at one end, as shown in Fig. 5. rI`he casing or stove body should be made practically air-tight, Vthat is to say, the joints should be air-tight and all open ings for fuel, etc., should be fitted with doors Awhich are substantially air-tight. The object of using the middle portion '3 of the fire-cage is to prevent the fuel 4from rpacking uponfthe botto-m or lire-supporting grate and thus clogging the same and the arches that extend across the grate also serve to prevent clogging. Legs 17 are attached to the bottom 1G of the stove.

I thus provide a stove which will successfully burn a great variety of fuel for which ordinary stoves are not'adapted and which will even burn them in a wet or green condition. The size and eXact location of the feed doors and draft openings would, in practice, be varied more or less according to the particular class of fuels which the stove is intended to burn. Thus, in a stove intended for burning screenings of threshing machines, chaff, and similar fuel, such Vdoors and openings would be shown as illustrated in the drawings; while if intended for burning coarse and bulky fuels, such as sedge brush, greasewood, etc., the feed doors would needV to be much larger, and it is in some cases desirable that there should be openings through the grating of the middle portion or cage through which line fuel may be fed to the bottom grate.

What I claim is 1. A stove comprising a casing, a fire-cage constructed of a bottom fuel-supporting grate and having arches extending transversely, a middle portion or grating forming a cage resting upon the-bottom grate and having recesses adapted to receive the arches of the latter, the said cage resting in an upright position upon the grate, and an upper grate portion having diverging sides and attached to and supported upon the middle .portie-n, the whole lire-cage thus formed being arranged within the casing, and rods passing through the latter and serving for support of the cage, the rods being adapted for vertical adjustment to vary the inclination of the cage, substantially as described.

2. A stove comprising a casing, tire-cages constructed substantially as described, ash chutes arranged between the cages and inclined as specified, the ends of the cages projecting alternately beyond the ends of the cages immediately above them, rods passing through the casing and serving to support the cages and chutes, the said rods being a djustable vertically, whereby the angle or inclination of the cages and chutes may be varied at will, substantially as described.

3. A stove comprising a casing, a series of fire-cages and a series of ash chutes arranged in said casing, a chute being located imme- Adiately below a cage, and successive chutes projecting alternately beyond the ends of the chutes above them, whereby ashes from one chute may fall upon the chute below, substantial-ly as described.

4. A stove comprising a casing, a plurality of fire-cages of the construction speciied and a plurality of ash chutes all fitted within the casing and the chutes arranged between the cages and thus adapted for re ceiving ashes falling from an upper cage and convey the salne over and upon the cage below, transverse rods passing through the casing which is provided with series of holes to permit vertical adjustment of the rods as required for holding the ash chutes at different inclinations, thc lire-cages being arranged one above another so that heat. and flame from a lower one will act upon fuel in those above and thus assist in coinbustion thereof, substantially as described.

WILLIAM FRANK PINKERTON.

Witnesses ELsrE MATTOON, J. A. SHIMNosKY.

Copies of this patent may be ,obtained for five cents each, 'by addressing the Commissioner of Patents,

` Washington, ID. C. 

